Home / 488,790,359.40-734,035,844.70-259,207,847.40

Finding the Fourth Proportional to 488,790,359.40, 734,035,844.70 and 259,207,847.40

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Solution

The fourth proportional to 488,790,359.40, 734,035,844.70 and 259,207,847.40 is: 389,262,692.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,790,359.40 : 734,035,844.70 = 259,207,847.40 : x
  2. Step 2: Convert to fraction form
    488,790,359.40/734,035,844.70 = 259,207,847.40/x
  3. Step 3: Cross multiply
    488,790,359.40x = 734,035,844.70 × 259,207,847.40
  4. Step 4: Simplify right side
    488,790,359.40x = 190,267,851,219,127,712
  5. Step 5: Solve for x
    x = 190,267,851,219,127,712/488,790,359.40
  6. Step 6: Final answer
    x = 389,262,692.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.